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hub bearings

moneypitxj

moneypitxj

NAXJA Member #565
Location
york, pa
why does the stock xj axles (dana 30)?
have the crappyist hub bearings.
i think i change these more than i do u-joints.
i think its time for an upgrade.
f1aad653.jpg
 
moneypitxj said:
why does the stock xj axles (dana 30)?
have the crappyist hub bearings.
i think i change these more than i do u-joints.
i think its time for an upgrade.
f1aad653.jpg
Click to expand...
what did you do? Do you tighten the axle shaft nut to 175ft lbs (I think that's what it calls for)?
 
i wouldnt know dont have a torque wrench that goes that high in ft/lbs.
it happened this weekend while wheelin.
heres a pic of the tire still on.
just a little crooked.
did not drive too well either.
f1aad664.jpg
 
Last edited:
What backspacing, and what kind of wheels do you have? Little backspacing and wide set/heavy wheels can cause the bearings to go bad frequently.
 
I have 15x8's with 3.75 BS and 33x12.5x15 re-treads (heavy). I have been wheeling on the (I have no idea how old or original) hubs for 3 years and I have not replaced them yet. Will be soon, but they have lasted much longer than expected so far.

I suspect you need to look at either the way they were installed or something else?

Michael
 
That wheel/backspacing should not be a problem. My best advice is to stop doing things like you show in your avatar. Mud + hub bearings = short hub bearing life. Also, do a quick backyard alignment with your tape measure. Bad alignments could also lead to pre-mature hub bearing failure.

HTH's
Andy
 
Operator malfunction seems to be the culprit.

Seriously, check for a loose nut behind the wheel.

You don't need a torque wrench.
Get a break-over, stand on it and bounce.
 
I replaced the hubs on mine this sat morning....yup mud/water was the culprit. The best deal on hubs was at NAPA...$116.00 each.
 
MudDawg said:
I replaced the hubs on mine this sat morning....yup mud/water was the culprit. The best deal on hubs was at NAPA...$116.00 each.
Click to expand...
I just got me some for $40 a piece from my friend :laugh3:
 
I've put about about 400k combined miles on the MJs and XJs I've owned, usually on 31 to 33 tires and alot of offroad miles and I just had to replace my first unit bearing this evening. Maybe I've been lucky.
 
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